2105796108 has 54 divisors (see below), whose sum is σ = 5325788244. Its totient is φ = 647301408.

The previous prime is 2105796107. The next prime is 2105796127. The reversal of 2105796108 is 8016975012.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (2105796101) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2066023 + ... + 2067041.

Almost surely, 2^2105796108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2105796108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2662894122).

2105796108 is an abundant number, since it is smaller than the sum of its proper divisors (3219992136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105796108 is a wasteful number, since it uses less digits than its factorization.

2105796108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071 (or 1037 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 2105796108 is about 45888.9540957298. The cubic root of 2105796108 is about 1281.7562375085.

The spelling of 2105796108 in words is "two billion, one hundred five million, seven hundred ninety-six thousand, one hundred eight".